21113892

素因数分解:

$2^2\times 3^3\times {\mathrm{137}}^1\times {\mathrm{1427}}^1$

素因数の和:1577

約数の個数: 48

約数和(自身を含む): 55177920

約数和(自身を除く): 34064028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 137, 274, 411, 548, 822, 1233, 1427, 1644, 2466, 2854, 3699, 4281, 4932, 5708, 7398, 8562, 12843, 14796, 17124, 25686, 38529, 51372, 77058, 154116, 195499, 390998, 586497, 781996, 1172994, 1759491, 2345988, 3518982, 5278473, 7037964, 10556946, 21113892]

約数ペア:

[(1, 21113892), (2, 10556946), (3, 7037964), (4, 5278473), (6, 3518982), (9, 2345988), (12, 1759491), (18, 1172994), (27, 781996), (36, 586497), (54, 390998), (108, 195499), (137, 154116), (274, 77058), (411, 51372), (548, 38529), (822, 25686), (1233, 17124), (1427, 14796), (1644, 12843), (2466, 8562), (2854, 7398), (3699, 5708), (4281, 4932)]